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A369578
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Expansion of Product_{j=1..n, k=1..n} (1 + x^(k^j)).
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2
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1, 1, 2, 5, 13, 33, 81, 194, 458, 1074, 2513, 5876, 13722, 31961, 74168, 171395, 394450, 904393, 2066770, 4709538, 10704306, 24273709, 54926658, 124036675, 279559571, 628906790, 1412254773, 3165780760, 7084607367, 15828666526, 35309625162, 78648201835, 174927430681
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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Table[SeriesCoefficient[Product[Product[1 + x^(k^j), {k, 1, n^(1/j)}], {j, 1, n}], {x, 0, n}], {n, 0, 40}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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